The 120 mm Fin Stabilized Armour Piercing Discarding Sabot (FSAPDS) Mk-II ammunition developed by ARDE, Pune, for the rifled gun of MBT Arjun was successfully tested (Phase I to III) by the user at PXE, Balasore. The lethality, toxicity, safety and consistency of the ammunition were successfully established during the trial.

Phase IV and V of user trials were conducted at PFFR Pokhran during 3-13 July 2017. Critical parameters of consistency and accuracy were achieved as specified in the QR during these trials. Achievement of a greater depth of penetration of 500 mm in 230 mm RHA plate by the 120 mm FSAPDS Mk-II ammunition will lead to improved fire power of MBT Arjun.

ARDE has pioneered the indigenous design and development of FSAPDS ammunition,which serves as the primary kinetic energy anti-tank ammunition of MBT Arjun. It comprises a high density, long
rod tungsten alloy penetrator with a tail unit for in-flight stability. 120 mm FSAPDS Mk-I ammunition is already under production.

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